pilings, revetments, footings, crossbeams, gabions, abutments, falsework, roadbed, piers, bulkheads, davits, cofferdam, dowels, foremast, subbase, postholes, steelwork, grouting, capstan, breeches buoy, mainmast, windlass, sluiceway, scaffoldings, rockwork, sponsons, crosspieces, girders, waterline, pontoons, spandrels, earthwork, headrace, breakwaters, grapnel, firebrick, hawsers, reinforced concrete, understructure, graving dock, catafalque, transite, laths, guideway, superstructure, arches, excavation, coquina, hulls, formwork, pilasters, crenellations, parapets, bullnose, gun emplacement, manway, gunite, substructure, gabion, trench, riprap, millrace, halyards, trestles, sheave, berms, soakaway, hardstand, prestressed, winch, palisade, quarterdeck, bateaux, corbel, cantilevering, cartouches, fortifications, stiffeners, piton, bascule, baluster, trusses, seawall, subgrade, truss bridge, tenons, spile, trencher, slit trench, weldment, culvert, concretion, sailcloth, tunnels, underdrain, clarifiers, dacron, penstock, metopes, pipework, bridgework, ashlar, caisson, bins, trays, silos, tubs, culverts, silo, pallets, bathtubs, beakers, crates, cribs, hangars, spools, vats, barrels, baskets